Analysis

  • max time kernel
    5s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 12:54

General

  • Target

    3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe

  • Size

    2.0MB

  • MD5

    3f8d4a67e8e2d15220f4ec2cb0caf28c

  • SHA1

    3fb979356e7978bc1663516e9ef93428635dcba3

  • SHA256

    3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed

  • SHA512

    5445ee21fe04d9772a3af88f31e5706b45d4c32533a9c230f70f66a2d50c637af6d7a43f96a85be68b786562e509a75ac345be92cc7758332a3987aec61f577d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Azorult family
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe
    "C:\Users\Admin\AppData\Local\Temp\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3256
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 560
          3⤵
          • Program crash
          PID:3968
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:992
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3164
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2460
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
            4⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1816
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ystHk1lhEemq.bat" "
            4⤵
              PID:3152
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4284
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4304
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4212
                    • C:\Windows\SysWOW64\schtasks.exe
                      "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
                      6⤵
                      • Scheduled Task/Job: Scheduled Task
                      PID:4124
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\nAPwo0u4jA9m.bat" "
                      6⤵
                        PID:1352
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:5112
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1572
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4212 -s 2260
                          6⤵
                          • Program crash
                          PID:3720
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 2020
                      4⤵
                      • Program crash
                      PID:3800
                • C:\Users\Admin\AppData\Local\Temp\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe
                  "C:\Users\Admin\AppData\Local\Temp\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2272
                • C:\Windows\SysWOW64\schtasks.exe
                  "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
                  2⤵
                  • System Location Discovery: System Language Discovery
                  • Scheduled Task/Job: Scheduled Task
                  PID:856
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3256 -ip 3256
                1⤵
                  PID:4516
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:3124
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:2024
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:3220
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 520
                            3⤵
                            • Program crash
                            PID:1236
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:4452
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:1964
                            • C:\Windows\SysWOW64\schtasks.exe
                              "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
                              2⤵
                              • Scheduled Task/Job: Scheduled Task
                              PID:1988
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2024 -ip 2024
                            1⤵
                              PID:1436
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2460 -ip 2460
                              1⤵
                                PID:2576
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4212 -ip 4212
                                1⤵
                                  PID:4596
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:1236
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3332

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log

                                      Filesize

                                      1KB

                                      MD5

                                      10eab9c2684febb5327b6976f2047587

                                      SHA1

                                      a12ed54146a7f5c4c580416aecb899549712449e

                                      SHA256

                                      f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

                                      SHA512

                                      7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

                                    • C:\Users\Admin\AppData\Local\Temp\nAPwo0u4jA9m.bat

                                      Filesize

                                      208B

                                      MD5

                                      8f24689590f675c83f6671c3a3a7a62f

                                      SHA1

                                      7aea6806ff0a761499784867f583df03e83548fd

                                      SHA256

                                      7e33cadf1864f6c9d876162e4b6379b195a20bc9911834997e03481759b2dde9

                                      SHA512

                                      00693fe7bf6c33773d1c0d99cbeed37586281ae82ad08b40c622de9ee4b1eb0d57546fbba75c9a917bfe36724435f92c8c19ec294fb34b7063d1ce0c0b5c1f68

                                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                                      Filesize

                                      405KB

                                      MD5

                                      b8ba87ee4c3fc085a2fed0d839aadce1

                                      SHA1

                                      b3a2e3256406330e8b1779199bb2b9865122d766

                                      SHA256

                                      4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                      SHA512

                                      7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                                    • C:\Users\Admin\AppData\Local\Temp\windef.exe

                                      Filesize

                                      349KB

                                      MD5

                                      b4a202e03d4135484d0e730173abcc72

                                      SHA1

                                      01b30014545ea526c15a60931d676f9392ea0c70

                                      SHA256

                                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                      SHA512

                                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                    • C:\Users\Admin\AppData\Local\Temp\ystHk1lhEemq.bat

                                      Filesize

                                      208B

                                      MD5

                                      91d9a65e4b57f0f831e5d37a5ae9dee4

                                      SHA1

                                      5a2edf02b2b670b054491d69421ec18dbb36996f

                                      SHA256

                                      391d34c86eda6e68534e0be74eb4abedd0bea7a4949d8322c27897c5a199d960

                                      SHA512

                                      a7e62c4309a727148a0d138b83fb6c71462022662fc699a82e118d837dc93b16584fc31b0d6d169eddc4a942959b408720a07becae35b344e05e191a7d526ce6

                                    • C:\Users\Admin\AppData\Roaming\Logs\12-17-2024

                                      Filesize

                                      224B

                                      MD5

                                      4b135c44cac6782903d812e34f247b24

                                      SHA1

                                      0a28c9ff63d12e286985c7311337c21b14b904a1

                                      SHA256

                                      83348b533ee3c82859eaff17d6368d6b1e8f99d9612bfebfabda5548c8507da0

                                      SHA512

                                      333edf4cd6b950952ecdf50e4e1bb569c92497c3a4067a6c748acf53e51e9d06819b94383773192ff512bf725bc896ec1dda0ec1300a88891d7a545e505f354e

                                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe

                                      Filesize

                                      2.0MB

                                      MD5

                                      9514688e22fcef0fa359d8d8f4d5b21d

                                      SHA1

                                      0c73816b737f747040ba15d80de6ce959b75b7c2

                                      SHA256

                                      220b8e46ebf372cf4adcc4ba3c64d40a169faa07843a4cc3ee6914f26338917d

                                      SHA512

                                      35e7db3b9b3d925e49995c1236ec0b5803af271c649cf768186bda54971e4675ce6792e3964b10d86d5ab37b39461da4ab86213b67bcce7b6f1ad63153edfc68

                                    • memory/992-30-0x0000000000290000-0x00000000002EE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/992-34-0x0000000004DB0000-0x0000000004E42000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/992-35-0x0000000004E50000-0x0000000004EB6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/992-36-0x0000000005A20000-0x0000000005A32000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/992-37-0x0000000005F60000-0x0000000005F9C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/992-33-0x0000000005250000-0x00000000057F4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/992-29-0x00000000729CE000-0x00000000729CF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2092-19-0x0000000001D40000-0x0000000001D41000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2272-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2272-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2460-45-0x0000000005FF0000-0x0000000005FFA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/3124-85-0x0000000075AA0000-0x0000000076053000-memory.dmp

                                      Filesize

                                      5.7MB